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kromJx@crosswinds.net's fix that now uses checkprefix() instead of

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strnequal() when the third argument was strlen(first argument) anyway.
This makes it less prone to errors. (Slightly edited by me)
This commit is contained in:
Daniel Stenberg 2002-10-28 21:52:00 +00:00
parent 8f52b731f4
commit 01387f42c5
5 changed files with 31 additions and 28 deletions
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6
lib/cookie.c
View File

@ -519,7 +519,7 @@ struct CookieInfo *Curl_cookie_init(char *file,
char *lineptr;
bool headerline;
while(fgets(line, MAX_COOKIE_LINE, fp)) {
if(strnequal("Set-Cookie:", line, 11)) {
if(checkprefix("Set-Cookie:", line)) {
/* This is a cookie line, get it! */
lineptr=&line[11];
headerline=TRUE;
@ -587,8 +587,8 @@ struct Cookie *Curl_cookie_getlist(struct CookieInfo *c,
/* now check the left part of the path with the cookies path
requirement */
if(!co->path ||
strnequal(path, co->path, strlen(co->path))) {
if(!co->path ||
checkprefix(co->path, path) ) {
/* and now, we know this is a match and we should create an
entry for the return-linked-list */

2
lib/formdata.c
View File

@ -1218,7 +1218,7 @@ CURLcode Curl_getFormData(struct FormData **finalform,
*/
if(file->contenttype &&
!strnequal("text/", file->contenttype, 5)) {
!checkprefix("text/", file->contenttype)) {
/* this is not a text content, mention our binary encoding */
size += AddFormData(&form, "\r\nContent-Transfer-Encoding: binary", 0);
}

4
lib/strequal.h
View File

@ -32,6 +32,10 @@ int curl_strnequal(const char *first, const char *second, size_t max);
#define strequal(a,b) curl_strequal(a,b)
#define strnequal(a,b,c) curl_strnequal(a,b,c)
/* checkprefix() is a shorter version of the above, used when the first
argument is zero-byte terminated */
#define checkprefix(a,b) strnequal(a,b,strlen(a))
#ifndef HAVE_STRLCAT
#define strlcat(x,y,z) Curl_strlcat(x,y,z)
size_t Curl_strlcat(char *dst, const char *src, size_t siz);

31
lib/transfer.c
View File

@ -291,7 +291,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
k->hbuflen += nread;
if (!k->headerline && (k->hbuflen>5)) {
/* make a first check that this looks like a HTTP header */
if(!strnequal(data->state.headerbuff, "HTTP/", 5)) {
if(!checkprefix(data->state.headerbuff, "HTTP/")) {
/* this is not the beginning of a HTTP first header line */
k->header = FALSE;
k->badheader = HEADER_ALLBAD;
@ -345,7 +345,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
if(!k->headerline) {
/* the first read header */
if((k->hbuflen>5) &&
!strnequal(data->state.headerbuff, "HTTP/", 5)) {
!checkprefix(data->state.headerbuff, "HTTP/")) {
/* this is not the beginning of a HTTP first header line */
k->header = FALSE;
k->badheader = HEADER_PARTHEADER;
@ -521,13 +521,13 @@ CURLcode Curl_readwrite(struct connectdata *conn,
}
/* check for Content-Length: header lines to get size */
if (strnequal("Content-Length:", k->p, 15) &&
if (checkprefix("Content-Length:", k->p) &&
sscanf (k->p+15, " %ld", &k->contentlength)) {
conn->size = k->contentlength;
Curl_pgrsSetDownloadSize(data, k->contentlength);
}
/* check for Content-Type: header lines to get the mime-type */
else if (strnequal("Content-Type:", k->p, 13)) {
else if (checkprefix("Content-Type:", k->p)) {
char *start;
char *end;
int len;
@ -597,7 +597,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
/* init our chunky engine */
Curl_httpchunk_init(conn);
}
else if (strnequal("Content-Encoding:", k->p, 17) &&
else if (checkprefix("Content-Encoding:", k->p) &&
data->set.encoding) {
/*
* Process Content-Encoding. Look for the values: identity, gzip,
@ -614,18 +614,18 @@ CURLcode Curl_readwrite(struct connectdata *conn,
start++);
/* Record the content-encoding for later use. 08/27/02 jhrg */
if (strnequal("identity", start, 8))
if (checkprefix("identity", start))
k->content_encoding = IDENTITY;
else if (strnequal("deflate", start, 7))
else if (checkprefix("deflate", start))
k->content_encoding = DEFLATE;
else if (strnequal("gzip", start, 4)
|| strnequal("x-gzip", start, 6))
else if (checkprefix("gzip", start)
|| checkprefix("x-gzip", start))
k->content_encoding = GZIP;
else if (strnequal("compress", start, 8)
|| strnequal("x-compress", start, 10))
else if (checkprefix("compress", start)
|| checkprefix("x-compress", start))
k->content_encoding = COMPRESS;
}
else if (strnequal("Content-Range:", k->p, 14)) {
else if (checkprefix("Content-Range:", k->p)) {
if (sscanf (k->p+14, " bytes %d-", &k->offset) ||
sscanf (k->p+14, " bytes: %d-", &k->offset)) {
/* This second format was added August 1st 2000 by Igor
@ -638,11 +638,10 @@ CURLcode Curl_readwrite(struct connectdata *conn,
}
}
else if(data->cookies &&
strnequal("Set-Cookie:", k->p, 11)) {
checkprefix("Set-Cookie:", k->p)) {
Curl_cookie_add(data->cookies, TRUE, k->p+11, conn->name);
}
else if(strnequal("Last-Modified:", k->p,
strlen("Last-Modified:")) &&
else if(checkprefix("Last-Modified:", k->p) &&
(data->set.timecondition || data->set.get_filetime) ) {
time_t secs=time(NULL);
k->timeofdoc = curl_getdate(k->p+strlen("Last-Modified:"),
@ -652,7 +651,7 @@ CURLcode Curl_readwrite(struct connectdata *conn,
}
else if ((k->httpcode >= 300 && k->httpcode < 400) &&
(data->set.http_follow_location) &&
strnequal("Location:", k->p, 9)) {
checkprefix("Location:", k->p)) {
/* this is the URL that the server advices us to get instead */
char *ptr;
char *start=k->p;

16
lib/url.c
View File

@ -1848,22 +1848,22 @@ static CURLcode CreateConnection(struct SessionHandle *data,
/* Note: if you add a new protocol, please update the list in
* lib/version.c too! */
if(strnequal(conn->gname, "FTP", 3)) {
if(checkprefix("FTP", conn->gname)) {
strcpy(conn->protostr, "ftp");
}
else if(strnequal(conn->gname, "GOPHER", 6))
else if(checkprefix("GOPHER", conn->gname))
strcpy(conn->protostr, "gopher");
#ifdef USE_SSLEAY
else if(strnequal(conn->gname, "HTTPS", 5))
else if(checkprefix("HTTPS", conn->gname))
strcpy(conn->protostr, "https");
else if(strnequal(conn->gname, "FTPS", 4))
else if(checkprefix("FTPS", conn->gname))
strcpy(conn->protostr, "ftps");
#endif /* USE_SSLEAY */
else if(strnequal(conn->gname, "TELNET", 6))
else if(checkprefix("TELNET", conn->gname))
strcpy(conn->protostr, "telnet");
else if (strnequal(conn->gname, "DICT", sizeof("DICT")-1))
else if (checkprefix("DICT", conn->gname))
strcpy(conn->protostr, "DICT");
else if (strnequal(conn->gname, "LDAP", sizeof("LDAP")-1))
else if (checkprefix("LDAP", conn->gname))
strcpy(conn->protostr, "LDAP");
else {
strcpy(conn->protostr, "http");
@ -1966,7 +1966,7 @@ static CURLcode CreateConnection(struct SessionHandle *data,
if(strlen(nope) <= namelen) {
char *checkn=
conn->name + namelen - strlen(nope);
if(strnequal(nope, checkn, strlen(nope))) {
if(checkprefix(nope, checkn)) {
/* no proxy for this host! */
break;
}